<template>
<div class="app-container">
    <!--课程预览-->
    <div class="ccInfo">
        <img :src="coursePublish.cover" />
        <div class="main">
            <h2>{{ coursePublish.title }}</h2>
            <p class="gray">
                <span>共{{ coursePublish.lessonNum }}课时</span>
            </p>
            <p>
                <span>所属分类：{{ coursePublish.subjectParentTitle }} —
                    {{ coursePublish.subjectTitle }}</span>
            </p>
            <p>课程讲师：{{ coursePublish.teacherName }}</p>
            <h3 class="red">￥{{ coursePublish.price }}</h3>
        </div>
    </div>

    <el-row>
        <el-col :span="2" :offset="11">
            <el-button type="primary" plain @click="prevAndSave">上一步</el-button>
        </el-col>
        <el-col :span="2">
            <el-button :disabled="btnDisabled" type="primary" plain @click="nextAndSave">发布课程</el-button>
        </el-col>
    </el-row>
</div>
</template>

<script>
import courseApi from "@/api/course";

export default {
    name: "",
    components: {},
    props: {},
    data() {
        return {
            btnDisabled: false,
            coursePublish: {}, // 课程发布信息
        };
    },
    computed: {},
    watch: {},
    created() {
        if (this.$parent.courseId) {
            this.fetchCoursePublishById(this.$parent.courseId);
        }
    },
    mounted() {},
    beforeDestroy() {},
    methods: {
        // 下一步
        nextAndSave() {
            this.btnDisabled = true;
            courseApi.publishCourseById(this.$parent.courseId).then((response) => {
                this.$parent.active = 3;
                this.$message.success(response.message);
                if (response.code == 20000) {
                    this.$router.push({
                        path: "/course/list",
                    });
                }
            });
        },
        // 上一步
        prevAndSave() {
            this.$parent.active = 1;
        },
        // 获取课程发布信息
        fetchCoursePublishById(id) {
            courseApi.getCouresePulishById(id).then((response) => {
                this.coursePublish = response.data.item;
            });
        },
    },
};
</script>

<style>
.ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #ddd;
    margin-bottom: 40px;
    position: relative;
}

.ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
}

.ccInfo .main {
    margin-left: 520px;
}

.ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
}

.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

.ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
}
</style>
